entity_id,period_id,confidence,rationale,source_id,review_status ENT_EGY_SIA,PER_EGY_OLD_KINGDOM,medium,Sia (divine perception/understanding) is attested in the Pyramid Texts alongside Hu (divine utterance) as personifications of the divine cognitive faculties of Ra and Ptah; their appearance as companion deities on the solar bark is an Old Kingdom concept,SRC_FAULKNER_PYRAMID_TEXTS,reviewed